Extracting prog: 46.145124511s Minimizing prog: 32m30.483746793s Simplifying prog options: 8m21.433892182s Extracting C: 2m41.62849418s Simplifying C: 0s extracting reproducer from 30 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r1, 0x14) (async) socket$nl_netfilter(0x10, 0x3, 0xc) (async) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue single: successfully extracted reproducer found reproducer with 16 syscalls minimizing guilty program testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r1, 0x14) (async) socket$nl_netfilter(0x10, 0x3, 0xc) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r1, 0x14) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create-timer_settime-gettid detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_create detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-rt_sigprocmask-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-gettid-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) gettid() (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-sendmsg$IPSET_CMD_CREATE-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5400000002060103000000000000000000000000050001000700000005000400000054000c00078008001700000000000900020073797a320000000005000500000000000d0003006c6973743a73657400000000110b2cde2d17fe7696e7cca5d2af1b71ce4bd9e826db9b955a3e2338a39eb74dbfd735d9dd8f9af5f4f8d1c6a0246f81d536d5fa4db13ed24c78420b466232634b2c96"], 0x54}}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-socket$nl_netfilter-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) socket$nl_netfilter(0x10, 0x3, 0xc) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) gettid() timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) tkill(0x0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime program did not crash simplifying guilty program options testing program (duration=42.088422285s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program crashed: WARNING in posixtimer_send_sigqueue extracting C reproducer testing compiled C program (duration=42.088422285s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime program did not crash reproducing took 43m43.669174825s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6008 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050 Modules linked in: CPU: 1 UID: 0 PID: 6008 Comm: syz.3.19 Not tainted 6.13.0-rc2-syzkaller-00382-gdccbe2047a5b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050 Code: 00 0f 85 f4 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 23 20 3b 00 4c 8b 64 24 08 e9 28 ff ff ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 f7 RSP: 0018:ffffc90000a18c00 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 1ffff11006462403 RCX: ffff888033dc0000 RDX: 0000000000010000 RSI: 0000000000002000 RDI: 0000000000000000 RBP: ffffc90000a18cf8 R08: ffffffff816460d0 R09: 1ffffffff2854312 R10: dffffc0000000000 R11: fffffbfff2854313 R12: ffff888032312000 R13: 1ffff11006462410 R14: ffff888032312018 R15: ffff8880323120c0 FS: 00007fd8d74926c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020040fe0 CR3: 00000000320c6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: posix_timer_queue_signal kernel/time/posix-timers.c:308 [inline] posix_timer_fn+0xe2/0x160 kernel/time/posix-timers.c:323 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae b1 3a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 53 57 a2 f5 65 8b 05 f4 aa 38 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90003517c60 EFLAGS: 00000206 RAX: 82e0993a09a8a000 RBX: 1ffff920006a2f90 RCX: ffffffff9a3a8903 RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: 0000000000000001 RBP: ffffc90003517cf0 R08: ffffffff90197977 R09: 1ffffffff2032f2e R10: dffffc0000000000 R11: fffffbfff2032f2f R12: dffffc0000000000 R13: 1ffff920006a2f8c R14: ffffc90003517c80 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] unlock_timer kernel/time/posix-timers.c:128 [inline] do_timer_settime+0x37f/0x3e0 kernel/time/posix-timers.c:908 __do_sys_timer_settime kernel/time/posix-timers.c:928 [inline] __se_sys_timer_settime kernel/time/posix-timers.c:914 [inline] __x64_sys_timer_settime+0x19e/0x240 kernel/time/posix-timers.c:914 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8d6585d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd8d7492038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df RAX: ffffffffffffffda RBX: 00007fd8d6775fa0 RCX: 00007fd8d6585d19 RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd8d6601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd8d6775fa0 R15: 00007fff88391c08 ---------------- Code disassembly (best guess): 0: 9c pushf 1: 8f 44 24 20 pop 0x20(%rsp) 5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 ae b1 3a f6 call 0xf63ab1c2 14: f6 44 24 21 02 testb $0x2,0x21(%rsp) 19: 75 52 jne 0x6d 1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 53 57 a2 f5 call 0xf5a25782 <-- trapping instruction 2f: 65 8b 05 f4 aa 38 74 mov %gs:0x7438aaf4(%rip),%eax # 0x7438ab2a 36: 85 c0 test %eax,%eax 38: 74 43 je 0x7d 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6008 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050 Modules linked in: CPU: 1 UID: 0 PID: 6008 Comm: syz.3.19 Not tainted 6.13.0-rc2-syzkaller-00382-gdccbe2047a5b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050 Code: 00 0f 85 f4 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 23 20 3b 00 4c 8b 64 24 08 e9 28 ff ff ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 f7 RSP: 0018:ffffc90000a18c00 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 1ffff11006462403 RCX: ffff888033dc0000 RDX: 0000000000010000 RSI: 0000000000002000 RDI: 0000000000000000 RBP: ffffc90000a18cf8 R08: ffffffff816460d0 R09: 1ffffffff2854312 R10: dffffc0000000000 R11: fffffbfff2854313 R12: ffff888032312000 R13: 1ffff11006462410 R14: ffff888032312018 R15: ffff8880323120c0 FS: 00007fd8d74926c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020040fe0 CR3: 00000000320c6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: posix_timer_queue_signal kernel/time/posix-timers.c:308 [inline] posix_timer_fn+0xe2/0x160 kernel/time/posix-timers.c:323 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae b1 3a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 53 57 a2 f5 65 8b 05 f4 aa 38 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90003517c60 EFLAGS: 00000206 RAX: 82e0993a09a8a000 RBX: 1ffff920006a2f90 RCX: ffffffff9a3a8903 RDX: dffffc0000000000 RSI: ffffffff8c0a9760 RDI: 0000000000000001 RBP: ffffc90003517cf0 R08: ffffffff90197977 R09: 1ffffffff2032f2e R10: dffffc0000000000 R11: fffffbfff2032f2f R12: dffffc0000000000 R13: 1ffff920006a2f8c R14: ffffc90003517c80 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] unlock_timer kernel/time/posix-timers.c:128 [inline] do_timer_settime+0x37f/0x3e0 kernel/time/posix-timers.c:908 __do_sys_timer_settime kernel/time/posix-timers.c:928 [inline] __se_sys_timer_settime kernel/time/posix-timers.c:914 [inline] __x64_sys_timer_settime+0x19e/0x240 kernel/time/posix-timers.c:914 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8d6585d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd8d7492038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df RAX: ffffffffffffffda RBX: 00007fd8d6775fa0 RCX: 00007fd8d6585d19 RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fd8d6601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd8d6775fa0 R15: 00007fff88391c08 ---------------- Code disassembly (best guess): 0: 9c pushf 1: 8f 44 24 20 pop 0x20(%rsp) 5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 ae b1 3a f6 call 0xf63ab1c2 14: f6 44 24 21 02 testb $0x2,0x21(%rsp) 19: 75 52 jne 0x6d 1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 53 57 a2 f5 call 0xf5a25782 <-- trapping instruction 2f: 65 8b 05 f4 aa 38 74 mov %gs:0x7438aaf4(%rip),%eax # 0x7438ab2a 36: 85 c0 test %eax,%eax 38: 74 43 je 0x7d 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss